140323301291 has 2 divisors, whose sum is σ = 140323301292. Its totient is φ = 140323301290.

The previous prime is 140323301269. The next prime is 140323301353. The reversal of 140323301291 is 192103323041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140323301291 - 2²² = 140319106987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140323301491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70161650645 + 70161650646.

It is an arithmetic number, because the mean of its divisors is an integer number (70161650646).

Almost surely, 2^140323301291 is an apocalyptic number.

140323301291 is a deficient number, since it is larger than the sum of its proper divisors (1).

140323301291 is an equidigital number, since it uses as much as digits as its factorization.

140323301291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 140323301291 in words is "one hundred forty billion, three hundred twenty-three million, three hundred one thousand, two hundred ninety-one".